Why this is not working??

#include <bits/stdc++.h>

typedef unsigned long long int ll;

using namespace std;

multiset<string,greater<string> > arr;

multiset<int> brr;

void print(multiset<string,greater<string> > arr)

{

for(auto i = arr.begin(); i != arr.end(); i++)

{

cout << *i << " ";

#include<iostream>

using namespace std;

int main()

{

long int n,i,lead1,lead2,max1=0,max2=0;

cin >> n;

long int a[n],b[n];

for( i=0; i<n; i++)

{

cin >> a[i] >> b[i];

}